IPB65R190CFDAATMA1 Equivalent & Substitute Parts

Part Overview

The IPB65R190CFDAATMA1 is an N-Channel 650V MOSFET manufactured by Infineon Technologies, part of the CoolMOS™ series. This surface mount device is rated for 17.5A continuous drain current and 151W power dissipation, housed in a D2PAK (TO-263-3) package. The device is qualified to AEC-Q101 automotive standards and maintains active product status, making it suitable for new design implementations in power conversion and switching applications requiring high voltage operation.

Substitute parts become necessary when the primary device experiences supply constraints, extended lead times, or when design flexibility permits operation within broader electrical parameter ranges. The IPB65R190CFDAATMA1 has documented substitute availability within the N-Channel MOSFET category, enabling design continuity and procurement alternatives.

Substiute Parts

IPB65R190CFDAATMA1

Infineon TechnologiesIn Stock: 977IPB65R190CFDAATMA1 Datasheet

Current PartRFQ

FCB20N60FTM

onsemiIn Stock: 2049FCB20N60FTM Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the IPB65R190CFDAATMA1 is determined by the following critical parameters:

Voltage Rating Compatibility: Substitute devices must maintain a Drain to Source Voltage (Vdss) rating equal to or greater than 650V. This ensures the device can withstand the maximum voltage stress in the application circuit without exceeding its electrical limits.

Current Capacity: The continuous drain current (Id) rating of substitute parts must meet or exceed 17.5A at 25°C to support the same load conditions. Devices with higher current ratings provide additional design margin.

On-State Resistance (Rds On): The maximum on-state resistance must not exceed 190mOhm at the specified gate voltage (10V) to maintain equivalent power dissipation characteristics and thermal performance.

Package Compatibility: All substitute devices must use the D2PAK (TO-263-3) surface mount package to ensure mechanical and thermal interface compatibility with existing PCB layouts and thermal management solutions.

Gate Drive Voltage: Substitute devices must operate with standard 10V gate drive voltage to maintain compatibility with existing gate driver circuits.

Compliance and Certification: Devices must maintain RoHS3 compliance and REACH unaffected status. Automotive-grade qualification (AEC-Q101) is preferred for applications requiring automotive reliability standards.

The FCB20N60FTM from onsemi is identified as a manufacturer-recommended substitute based on these criteria.

Parameter Comparison

Engineering Selection Recommendations

Primary Device (IPB65R190CFDAATMA1): This device maintains active product status and carries AEC-Q101 automotive qualification. It is the preferred choice for new design implementations requiring 650V operation with automotive-grade reliability assurance. The 17.5A current rating and 151W power dissipation specification provide defined performance boundaries for thermal and electrical design calculations.

Substitute Device (FCB20N60FTM): This onsemi device is designated as "Not For New Designs" by the manufacturer. While it meets the core electrical substitution criteria—matching 190mOhm on-state resistance and providing higher current capacity (20A)—the reduced voltage rating (600V versus 650V) represents a design constraint. This device is suitable only for applications where the maximum system voltage does not exceed 600V, or where design margins permit operation at reduced voltage ratings. The higher gate charge (98nC versus 68nC) may require gate driver circuit evaluation for switching frequency compatibility.

Compliance Consideration: Both devices maintain RoHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across markets.

Product Status Impact: The primary device's active status provides long-term availability assurance and continued manufacturer support. The substitute's "Not For New Designs" status indicates potential future discontinuation and should be considered a temporary or contingency solution only.

Frequently Asked Questions (FAQ)

Q: Can the FCB20N60FTM directly replace the IPB65R190CFDAATMA1 in all applications?

A: No. The FCB20N60FTM has a 600V maximum voltage rating compared to the IPB65R190CFDAATMA1's 650V rating. Direct substitution is only valid in applications where the maximum system voltage does not exceed 600V. Applications designed for 650V operation require voltage margin verification before substitution.

Q: What is the significance of the different gate charge values (68nC versus 98nC)?

A: Gate charge directly affects switching speed and gate driver power requirements. The FCB20N60FTM's higher gate charge (98nC) requires more charge delivery from the gate driver circuit. At high switching frequencies, this may increase gate driver power dissipation and switching losses. Gate driver circuit evaluation is necessary if switching frequency exceeds the original design specification.

Q: Are both devices compatible with the same PCB layout?

A: Yes. Both devices use the D2PAK (TO-263-3) surface mount package, ensuring mechanical and thermal interface compatibility with existing PCB layouts. No PCB redesign is required for package compatibility.

Q: Why is the FCB20N60FTM marked "Not For New Designs"?

A: This designation indicates the manufacturer (onsemi) is not recommending this device for new product development. It may reflect planned discontinuation, technology obsolescence, or availability of superior alternatives. For new designs, the IPB65R190CFDAATMA1 (active status) is the appropriate choice.

Q: What is the impact of the lower gate threshold voltage in the FCB20N60FTM (5V versus 4.5V)?

A: The FCB20N60FTM requires slightly higher gate voltage to reach the threshold condition. This difference is within standard gate driver output ranges (typically 10V to 15V) and does not create compatibility issues with standard gate driver circuits.

Q: Can I use the FCB20N60FTM in a 650V application if I derate the system voltage to 600V?

A: Voltage derating is an application-specific decision. If the system design permits operation at 600V maximum voltage, the FCB20N60FTM becomes electrically valid. However, this requires circuit redesign verification and must be documented in the design change control process. The IPB65R190CFDAATMA1 remains the preferred choice to maintain the original 650V design margin.

Q: Are there thermal management differences between these devices?

A: The FCB20N60FTM has higher maximum power dissipation (208W versus 151W), indicating greater thermal capacity. However, both devices use the same D2PAK package with identical thermal interface characteristics. Thermal performance depends on PCB copper area, thermal vias, and heatsinking design rather than device selection alone.

Q: What compliance certifications apply to both devices?

A: Both devices are RoHS3 compliant and REACH unaffected. The IPB65R190CFDAATMA1 carries AEC-Q101 automotive qualification. The FCB20N60FTM's automotive qualification status is not specified in the provided parameters.